{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Subject.Age", "Treatment.Route", "Subject.Race", "Treatment.Duration", "Treatment", "Subject.Disorder", "Treatment.Disorder", "Subject", "Treatment.Dosage", "Treatment.Time_elapsed", "Treatment.Drug", "Subject.Gender"]}], "input": "We speculate on a causal relationship between the assumption of the additives and the fatal hepatitis and envisage a synergy between the additives and montelukast, which per se has well been studied as a hepatotoxic drug."}
{"potential therapeutic event": []}